10120020122220 has 48 divisors (see below), whose sum is σ = 28499848604640. Its totient is φ = 2683072769536.

The previous prime is 10120020122207. The next prime is 10120020122221. The reversal of 10120020122220 is 2222102002101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10120020122220.

It is not an unprimeable number, because it can be changed into a prime (10120020122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487466505 + ... + 487487264.

It is an arithmetic number, because the mean of its divisors is an integer number (593746845930).

Almost surely, 2^{10120020122220} is an apocalyptic number.

10120020122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120020122220 is an abundant number, since it is smaller than the sum of its proper divisors (18379828482420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10120020122220 is a wasteful number, since it uses less digits than its factorization.

10120020122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974953954 (or 974953952 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10120020122220 its reverse (2222102002101), we get a palindrome (12342122124321).

The spelling of 10120020122220 in words is "ten trillion, one hundred twenty billion, twenty million, one hundred twenty-two thousand, two hundred twenty".